The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
| Date | Insider | Role | Action | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jun 16, 2026 | Scully William P | 10% Owner | Buy(P) | 20K | $7.90 | $158K |
| Jun 15, 2026 | Scully William P | 10% Owner | Gift(G) | 325K | — | $0 |
| Jun 11, 2026 | Scully William P | 10% Owner | Buy(P) | 125K | $8.17 | $1.0M |
| Jun 4, 2026 | Scully William P | 10% Owner | Buy(P) | 50K | $9.31 | $465K |
| Jun 2, 2026 | Scully William P | 10% Owner | Buy(P) | 50K | $9.43 | $471K |
| May 22, 2026 | Scully William P | 10% Owner | Buy(P) | 100K | $9.81 | $981K |
| May 15, 2026 | Ekman Lars | Director | Grant(A) | 27K | — | $0 |
| May 15, 2026 | Collier Richard T | Director | Grant(A) | 27K | — | $0 |
| May 15, 2026 | Cooke Shane | Director | Grant(A) | 27K | — | $0 |
| May 15, 2026 | Dunn William H. Jr. | Director | Grant(A) | 27K | — | $0 |
| May 15, 2026 | Selkoe Dennis J. | Director | Grant(A) | 27K | — | $0 |
| May 15, 2026 | Welch Daniel G | Director | Grant(A) | 27K | — | $0 |
| Apr 10, 2026 | Kingston Anne Evans | Chief Strategy Officer | Grant(A) | 100K | — | $0 |
| Mar 3, 2026 | Kinney Gene G. | President and CEO, Director | Grant(A) | 520K | — | $0 |
| Mar 3, 2026 | Malecek Michael J | Chief Legal Officer | Grant(A) | 190K | — | $0 |
| Mar 3, 2026 | Nguyen Tran | Chief Strategy Officer and CFO | Grant(A) | 230K | — | $0 |
| Mar 3, 2026 | Smith Brandon S. | Chief Operating Officer | Grant(A) | 190K | — | $0 |
| Mar 3, 2026 | Swanson Chad J. | Chief Development Officer | Grant(A) | 190K | — | $0 |
| Mar 3, 2026 | Walker Karin L | Chief Accounting Officer | Grant(A) | 150K | — | $0 |
| Mar 3, 2026 | Zago Wagner M. | Chief Scientific Officer | Grant(A) | 190K | — | $0 |
| Jul 28, 2025 | Nguyen Tran | Chief Strategy Officer and CFO | Grant(A) | 95K | — | $0 |
| Jul 28, 2025 | Smith Brandon S. | Chief Operating Officer | Grant(A) | 130K | — | $0 |
| Jul 28, 2025 | Swanson Chad J. | Chief Development Officer | Grant(A) | 85K | — | $0 |
| Jul 28, 2025 | Walker Karin L | Chief Accounting Officer | Grant(A) | 25K | — | $0 |
| Jul 28, 2025 | Zago Wagner M. | Chief Scientific Officer | Grant(A) | 85K | — | $0 |
| Jul 28, 2025 | Kinney Gene G. | President and CEO, Director | Grant(A) | 140K | — | $0 |
| Jul 28, 2025 | Malecek Michael J | Chief Legal Officer | Grant(A) | 80K | — | $0 |
| May 14, 2025 | Cobb Paula K | Director | Grant(A) | 20K | — | $0 |
| May 14, 2025 | Collier Richard T | Director | Grant(A) | 20K | — | $0 |
| May 14, 2025 | Cooke Shane | Director | Grant(A) | 20K | — | $0 |
| May 14, 2025 | Dunn William H. Jr. | Director | Grant(A) | 20K | — | $0 |
| May 14, 2025 | Ekman Lars | Director | Grant(A) | 20K | — | $0 |
| May 14, 2025 | Kim Helen Susan | Director | Grant(A) | 20K | — | $0 |
| May 14, 2025 | Selkoe Dennis J. | Director | Grant(A) | 20K | — | $0 |
| May 14, 2025 | Welch Daniel G | Director | Grant(A) | 20K | — | $0 |
| May 6, 2025 | EcoR1 Capital, LLC | 10% Owner | Sell(S) | 2.0M | $7.64 | $15.2M |
| May 5, 2025 | EcoR1 Capital, LLC | 10% Owner | Sell(S) | 978K | $8.11 | $7.9M |
| May 2, 2025 | EcoR1 Capital, LLC | 10% Owner | Sell(S) | 3.3M | $8.36 | $27.7M |
| Mar 5, 2025 | Ford David A | Chief People Officer | Grant(A) | 108K | — | $0 |
| Mar 5, 2025 | Karp Carol D. | Chief Regulatory Officer | Grant(A) | 108K | — | $0 |
| Mar 5, 2025 | Kinney Gene G. | President and CEO, Director | Grant(A) | 375K | — | $0 |
| Mar 5, 2025 | Malecek Michael J | Chief Legal Officer | Grant(A) | 108K | — | $0 |
| Mar 5, 2025 | Nguyen Tran | Chief Strategy Officer and CFO | Grant(A) | 108K | — | $0 |
| Mar 5, 2025 | Smith Brandon S. | Chief Operating Officer | Grant(A) | 108K | — | $0 |
| Mar 5, 2025 | Swanson Chad J. | Chief Development Officer | Grant(A) | 108K | — | $0 |
| Mar 5, 2025 | Walker Karin L | Chief Accounting Officer | Grant(A) | 70K | — | $0 |
| Mar 5, 2025 | Zago Wagner M. | Chief Scientific Officer | Grant(A) | 108K | — | $0 |
| Jan 15, 2025 | Scully William P | 10% Owner | Gift(G) | 12K | — | $0 |
| Jan 14, 2025 | Scully William P | 10% Owner | Buy(P) | 100K | $12.79 | $1.3M |
| Jan 3, 2025 | Scully William P | 10% Owner | Gift(G) | 1K | — | $0 |
| Jan 2, 2025 | Scully William P | 10% Owner | Gift(G) | 13K | — | $0 |
| Dec 31, 2024 | Scully William P | 10% Owner | Buy(P) | 30K | $12.99 | $390K |
| Dec 31, 2024 | Scully William P | 10% Owner | Buy(P) | 800 | $13.39 | $11K |
| Dec 31, 2024 | Scully William P | 10% Owner | Buy(P) | 1K | $13.37 | $16K |
| Dec 20, 2024 | Scully William P | 10% Owner | Gift(G) | 40K | — | $0 |
| Dec 20, 2024 | Scully William P | 10% Owner | Gift(G) | 500 | — | $0 |
| Dec 20, 2024 | Scully William P | 10% Owner | Buy(P) | 2K | $15.91 | $32K |
| Dec 19, 2024 | Scully William P | 10% Owner | Gift(G) | 681K | — | $0 |
| Dec 18, 2024 | Scully William P | 10% Owner | Buy(P) | 73K | $13.93 | $1.0M |
| Dec 18, 2024 | Scully William P | 10% Owner | Gift(G) | 430K | — | $0 |
| Oct 1, 2024 | Swanson Chad J. | Chief Development Officer | Grant(A) | 40K | — | $0 |
| May 15, 2024 | Cobb Paula K | Director | Grant(A) | 15K | — | $0 |
| May 15, 2024 | Collier Richard T | Director | Grant(A) | 15K | — | $0 |
| May 15, 2024 | Cooke Shane | Director | Grant(A) | 15K | — | $0 |
| May 15, 2024 | Dunn William H. Jr. | Director | Grant(A) | 15K | — | $0 |
| May 15, 2024 | Ekman Lars | Director | Grant(A) | 15K | — | $0 |
| May 15, 2024 | Kim Helen Susan | Director | Grant(A) | 15K | — | $0 |
| May 15, 2024 | Selkoe Dennis J. | Director | Grant(A) | 15K | — | $0 |
| May 15, 2024 | Welch Daniel G | Director | Grant(A) | 15K | — | $0 |
| Mar 1, 2024 | Ford David A | Chief People Officer | Grant(A) | 85K | — | $0 |
| Feb 27, 2024 | Garren Hideki | Chief Medical Officer | Grant(A) | 85K | — | $0 |
| Feb 27, 2024 | Karp Carol D. | Chief Regulatory Officer | Grant(A) | 85K | — | $0 |
| Feb 27, 2024 | Kinney Gene G. | President and CEO | Grant(A) | 307K | — | $0 |
| Feb 27, 2024 | Malecek Michael J | Chief Legal Officer | Grant(A) | 85K | — | $0 |
| Feb 27, 2024 | Nguyen Tran | Chief Strategy Officer and CFO | Grant(A) | 85K | — | $0 |
| Feb 27, 2024 | Smith Brandon S. | Chief Operating Officer | Grant(A) | 85K | — | $0 |
| Feb 27, 2024 | Walker Karin L | Chief Accounting Officer | Grant(A) | 54K | — | $0 |
| Feb 27, 2024 | Zago Wagner M. | Chief Scientific Officer | Grant(A) | 85K | — | $0 |
| Feb 21, 2024 | Welch Daniel G | Director | Grant(A) | 132K | — | $0 |
| Jan 24, 2024 | Walker Karin L | Chief Accounting Officer | Sell(S) | 5K | $34.00 | $170K |
| Jan 24, 2024 | Walker Karin L | Chief Accounting Officer | Option exercise(M) | 5K | $13.53 | $68K |
| Jan 24, 2024 | Walker Karin L | Chief Accounting Officer | Option exercise(M) | 5K | — | $0 |
| Dec 20, 2023 | Walker Karin L | Chief Accounting Officer | Sell(S) | 2K | $36.68 | $62K |
| Dec 20, 2023 | Walker Karin L | Chief Accounting Officer | Option exercise(M) | 5K | $13.53 | $68K |
| Dec 20, 2023 | Walker Karin L | Chief Accounting Officer | Sell(S) | 3K | $37.45 | $124K |
| Dec 20, 2023 | Walker Karin L | Chief Accounting Officer | Option exercise(M) | 5K | — | $0 |
| Nov 30, 2023 | Walker Karin L | Chief Accounting Officer | Sell(S) | 5K | $34.00 | $170K |
| Nov 30, 2023 | Walker Karin L | Chief Accounting Officer | Option exercise(M) | 5K | $13.53 | $68K |
| Nov 30, 2023 | Walker Karin L | Chief Accounting Officer | Option exercise(M) | 5K | — | $0 |
| Oct 25, 2023 | Walker Karin L | Chief Accounting Officer | Sell(S) | 2K | $40.27 | $72K |
| Oct 25, 2023 | Walker Karin L | Chief Accounting Officer | Sell(S) | 294 | $42.28 | $12K |
| Oct 25, 2023 | Walker Karin L | Chief Accounting Officer | Sell(S) | 3K | $41.38 | $121K |
| Oct 25, 2023 | Walker Karin L | Chief Accounting Officer | Option exercise(M) | 5K | $13.53 | $68K |
| Oct 25, 2023 | Walker Karin L | Chief Accounting Officer | Option exercise(M) | 5K | — | $0 |
| Oct 11, 2023 | Smith Brandon S. | Chief Operating Officer | Sell(S) | 444 | $47.74 | $21K |
| Oct 11, 2023 | Smith Brandon S. | Chief Operating Officer | Option exercise(M) | 4K | $11.12 | $44K |
| Oct 11, 2023 | Smith Brandon S. | Chief Operating Officer | Sell(S) | 4K | $46.62 | $166K |
| Oct 11, 2023 | Smith Brandon S. | Chief Operating Officer | Option exercise(M) | 4K | — | $0 |
| Oct 4, 2023 | Karp Carol D. | Chief Regulatory Officer | Sell(S) | 663 | $47.29 | $31K |
| Oct 4, 2023 | Karp Carol D. | Chief Regulatory Officer | Sell(S) | 4K | $46.51 | $202K |
Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.
Coverage: Form 4 filings indexed 2021-01-04 → 2026-07-20. Earlier history is backfilling; this window widens as it deepens.
Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).